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. 2019 Jul 29;20:408. doi: 10.1186/s12859-019-2910-6

Fig. 2.

Fig. 2

Regression results on the testing set compared to the ground truth IC50 values. The x axis is the experimental IC50 in natural logarithmic scale, and the y axis is the predicted IC50 in natural logarithmic scale. Different colors demonstrate how many testing samples fall in each small square of 0.1×0.1, or the hot map of the distribution, where dark purple indicates more samples (around 30 samples per small square 0.1×0.1) and light blue indicates fewer samples (less than 5 samples per small square 0.1×0.1)